accessible/src/xpcom/xpcAccessibleHyperText.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/xpcom/xpcAccessibleHyperText.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,618 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "xpcAccessibleHyperText.h"
    1.11 +
    1.12 +#include "HyperTextAccessible-inl.h"
    1.13 +#include "TextRange.h"
    1.14 +#include "xpcAccessibleTextRange.h"
    1.15 +
    1.16 +#include "nsIPersistentProperties2.h"
    1.17 +#include "nsIMutableArray.h"
    1.18 +
    1.19 +using namespace mozilla::a11y;
    1.20 +
    1.21 +////////////////////////////////////////////////////////////////////////////////
    1.22 +// nsISupports
    1.23 +
    1.24 +nsresult
    1.25 +xpcAccessibleHyperText::QueryInterface(REFNSIID aIID, void** aInstancePtr)
    1.26 +{
    1.27 +  *aInstancePtr = nullptr;
    1.28 +
    1.29 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
    1.30 +  if (!text->IsTextRole())
    1.31 +    return NS_ERROR_NO_INTERFACE;
    1.32 +
    1.33 +  if (aIID.Equals(NS_GET_IID(nsIAccessibleText)))
    1.34 +    *aInstancePtr = static_cast<nsIAccessibleText*>(text);
    1.35 +  else if (aIID.Equals(NS_GET_IID(nsIAccessibleEditableText)))
    1.36 +    *aInstancePtr = static_cast<nsIAccessibleEditableText*>(text);
    1.37 +  else if (aIID.Equals(NS_GET_IID(nsIAccessibleHyperText)))
    1.38 +    *aInstancePtr = static_cast<nsIAccessibleHyperText*>(text);
    1.39 +  else
    1.40 +    return NS_ERROR_NO_INTERFACE;
    1.41 +
    1.42 +  NS_ADDREF(text);
    1.43 +  return NS_OK;
    1.44 +}
    1.45 +
    1.46 +////////////////////////////////////////////////////////////////////////////////
    1.47 +// nsIAccessibleText
    1.48 +
    1.49 +NS_IMETHODIMP
    1.50 +xpcAccessibleHyperText::GetCharacterCount(int32_t* aCharacterCount)
    1.51 +{
    1.52 +  NS_ENSURE_ARG_POINTER(aCharacterCount);
    1.53 +  *aCharacterCount = 0;
    1.54 +
    1.55 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
    1.56 +  if (text->IsDefunct())
    1.57 +    return NS_ERROR_FAILURE;
    1.58 +
    1.59 +  *aCharacterCount = text->CharacterCount();
    1.60 +  return NS_OK;
    1.61 +}
    1.62 +
    1.63 +NS_IMETHODIMP
    1.64 +xpcAccessibleHyperText::GetText(int32_t aStartOffset, int32_t aEndOffset,
    1.65 +                                nsAString& aText)
    1.66 +{
    1.67 +  aText.Truncate();
    1.68 +
    1.69 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
    1.70 +  if (text->IsDefunct())
    1.71 +    return NS_ERROR_FAILURE;
    1.72 +
    1.73 +  text->TextSubstring(aStartOffset, aEndOffset, aText);
    1.74 +  return NS_OK;
    1.75 +}
    1.76 +
    1.77 +NS_IMETHODIMP
    1.78 +xpcAccessibleHyperText::GetTextBeforeOffset(int32_t aOffset,
    1.79 +                                            AccessibleTextBoundary aBoundaryType,
    1.80 +                                            int32_t* aStartOffset,
    1.81 +                                            int32_t* aEndOffset,
    1.82 +                                            nsAString& aText)
    1.83 +{
    1.84 +  NS_ENSURE_ARG_POINTER(aStartOffset);
    1.85 +  NS_ENSURE_ARG_POINTER(aEndOffset);
    1.86 +  *aStartOffset = *aEndOffset = 0;
    1.87 +  aText.Truncate();
    1.88 +
    1.89 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
    1.90 +  if (text->IsDefunct())
    1.91 +    return NS_ERROR_FAILURE;
    1.92 +
    1.93 +  text->TextBeforeOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
    1.94 +  return NS_OK;
    1.95 +}
    1.96 +
    1.97 +NS_IMETHODIMP
    1.98 +xpcAccessibleHyperText::GetTextAtOffset(int32_t aOffset,
    1.99 +                                        AccessibleTextBoundary aBoundaryType,
   1.100 +                                        int32_t* aStartOffset,
   1.101 +                                        int32_t* aEndOffset, nsAString& aText)
   1.102 +{
   1.103 +  NS_ENSURE_ARG_POINTER(aStartOffset);
   1.104 +  NS_ENSURE_ARG_POINTER(aEndOffset);
   1.105 +  *aStartOffset = *aEndOffset = 0;
   1.106 +  aText.Truncate();
   1.107 +
   1.108 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.109 +  if (text->IsDefunct())
   1.110 +    return NS_ERROR_FAILURE;
   1.111 +
   1.112 +  text->TextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
   1.113 +  return NS_OK;
   1.114 +}
   1.115 +
   1.116 +NS_IMETHODIMP
   1.117 +xpcAccessibleHyperText::GetTextAfterOffset(int32_t aOffset,
   1.118 +                                           AccessibleTextBoundary aBoundaryType,
   1.119 +                                           int32_t* aStartOffset,
   1.120 +                                           int32_t* aEndOffset, nsAString& aText)
   1.121 +{
   1.122 +  NS_ENSURE_ARG_POINTER(aStartOffset);
   1.123 +  NS_ENSURE_ARG_POINTER(aEndOffset);
   1.124 +  *aStartOffset = *aEndOffset = 0;
   1.125 +  aText.Truncate();
   1.126 +
   1.127 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.128 +  if (text->IsDefunct())
   1.129 +    return NS_ERROR_FAILURE;
   1.130 +
   1.131 +  text->TextAfterOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
   1.132 +  return NS_OK;
   1.133 +}
   1.134 +
   1.135 +NS_IMETHODIMP
   1.136 +xpcAccessibleHyperText::GetCharacterAtOffset(int32_t aOffset,
   1.137 +                                             char16_t* aCharacter)
   1.138 +{
   1.139 +  NS_ENSURE_ARG_POINTER(aCharacter);
   1.140 +  *aCharacter = L'\0';
   1.141 +
   1.142 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.143 +  if (text->IsDefunct())
   1.144 +    return NS_ERROR_FAILURE;
   1.145 +
   1.146 +  *aCharacter = text->CharAt(aOffset);
   1.147 +  return NS_OK;
   1.148 +}
   1.149 +
   1.150 +NS_IMETHODIMP
   1.151 +xpcAccessibleHyperText::GetTextAttributes(bool aIncludeDefAttrs,
   1.152 +                                          int32_t aOffset,
   1.153 +                                          int32_t* aStartOffset,
   1.154 +                                          int32_t* aEndOffset,
   1.155 +                                          nsIPersistentProperties** aAttributes)
   1.156 +{
   1.157 +  NS_ENSURE_ARG_POINTER(aStartOffset);
   1.158 +  NS_ENSURE_ARG_POINTER(aEndOffset);
   1.159 +  NS_ENSURE_ARG_POINTER(aAttributes);
   1.160 +  *aStartOffset = *aEndOffset = 0;
   1.161 +  *aAttributes = nullptr;
   1.162 +
   1.163 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.164 +  if (text->IsDefunct())
   1.165 +    return NS_ERROR_FAILURE;
   1.166 +
   1.167 +  nsCOMPtr<nsIPersistentProperties> attrs =
   1.168 +   text->TextAttributes(aIncludeDefAttrs, aOffset, aStartOffset, aEndOffset);
   1.169 +  attrs.swap(*aAttributes);
   1.170 +
   1.171 +  return NS_OK;
   1.172 +}
   1.173 +
   1.174 +NS_IMETHODIMP
   1.175 +xpcAccessibleHyperText::GetDefaultTextAttributes(nsIPersistentProperties** aAttributes)
   1.176 +{
   1.177 +  NS_ENSURE_ARG_POINTER(aAttributes);
   1.178 +  *aAttributes = nullptr;
   1.179 +
   1.180 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.181 +  if (text->IsDefunct())
   1.182 +    return NS_ERROR_FAILURE;
   1.183 +
   1.184 +  nsCOMPtr<nsIPersistentProperties> attrs = text->DefaultTextAttributes();
   1.185 +  attrs.swap(*aAttributes);
   1.186 +  return NS_OK;
   1.187 +}
   1.188 +
   1.189 +NS_IMETHODIMP
   1.190 +xpcAccessibleHyperText::GetCharacterExtents(int32_t aOffset,
   1.191 +                                            int32_t* aX, int32_t* aY,
   1.192 +                                            int32_t* aWidth, int32_t* aHeight,
   1.193 +                                            uint32_t aCoordType)
   1.194 +{
   1.195 +  NS_ENSURE_ARG_POINTER(aX);
   1.196 +  NS_ENSURE_ARG_POINTER(aY);
   1.197 +  NS_ENSURE_ARG_POINTER(aWidth);
   1.198 +  NS_ENSURE_ARG_POINTER(aHeight);
   1.199 +  *aX = *aY = *aWidth = *aHeight;
   1.200 +
   1.201 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.202 +  if (text->IsDefunct())
   1.203 +    return NS_ERROR_FAILURE;
   1.204 +
   1.205 +  nsIntRect rect = text->CharBounds(aOffset, aCoordType);
   1.206 +  *aX = rect.x; *aY = rect.y;
   1.207 +  *aWidth = rect.width; *aHeight = rect.height;
   1.208 +  return NS_OK;
   1.209 +}
   1.210 +
   1.211 +NS_IMETHODIMP
   1.212 +xpcAccessibleHyperText::GetRangeExtents(int32_t aStartOffset, int32_t aEndOffset,
   1.213 +                                        int32_t* aX, int32_t* aY,
   1.214 +                                        int32_t* aWidth, int32_t* aHeight,
   1.215 +                                        uint32_t aCoordType)
   1.216 +{
   1.217 +  NS_ENSURE_ARG_POINTER(aX);
   1.218 +  NS_ENSURE_ARG_POINTER(aY);
   1.219 +  NS_ENSURE_ARG_POINTER(aWidth);
   1.220 +  NS_ENSURE_ARG_POINTER(aHeight);
   1.221 +  *aX = *aY = *aWidth = *aHeight = 0;
   1.222 +
   1.223 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.224 +  if (text->IsDefunct())
   1.225 +    return NS_ERROR_FAILURE;
   1.226 +
   1.227 +  nsIntRect rect = text->TextBounds(aStartOffset, aEndOffset, aCoordType);
   1.228 +  *aX = rect.x; *aY = rect.y;
   1.229 +  *aWidth = rect.width; *aHeight = rect.height;
   1.230 +  return NS_OK;
   1.231 +}
   1.232 +
   1.233 +NS_IMETHODIMP
   1.234 +xpcAccessibleHyperText::GetOffsetAtPoint(int32_t aX, int32_t aY,
   1.235 +                                         uint32_t aCoordType, int32_t* aOffset)
   1.236 +{
   1.237 +  NS_ENSURE_ARG_POINTER(aOffset);
   1.238 +  *aOffset = -1;
   1.239 +
   1.240 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.241 +  if (text->IsDefunct())
   1.242 +    return NS_ERROR_FAILURE;
   1.243 +
   1.244 +  *aOffset = text->OffsetAtPoint(aX, aY, aCoordType);
   1.245 +  return NS_OK;
   1.246 +}
   1.247 +
   1.248 +NS_IMETHODIMP
   1.249 +xpcAccessibleHyperText::GetScriptableCaretOffset(int32_t* aCaretOffset)
   1.250 +{
   1.251 +  NS_ENSURE_ARG_POINTER(aCaretOffset);
   1.252 +  *aCaretOffset = -1;
   1.253 +
   1.254 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.255 +  if (text->IsDefunct())
   1.256 +    return NS_ERROR_FAILURE;
   1.257 +
   1.258 +  *aCaretOffset = text->CaretOffset();
   1.259 +  return NS_OK;
   1.260 +}
   1.261 +
   1.262 +NS_IMETHODIMP
   1.263 +xpcAccessibleHyperText::SetScriptableCaretOffset(int32_t aCaretOffset)
   1.264 +{
   1.265 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.266 +  if (text->IsDefunct())
   1.267 +    return NS_ERROR_FAILURE;
   1.268 +
   1.269 +  text->SetCaretOffset(aCaretOffset);
   1.270 +  return NS_OK;
   1.271 +}
   1.272 +
   1.273 +NS_IMETHODIMP
   1.274 +xpcAccessibleHyperText::GetSelectionCount(int32_t* aSelectionCount)
   1.275 +{
   1.276 +  NS_ENSURE_ARG_POINTER(aSelectionCount);
   1.277 +  *aSelectionCount = 0;
   1.278 +
   1.279 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.280 +  if (text->IsDefunct())
   1.281 +    return NS_ERROR_FAILURE;
   1.282 +
   1.283 +  *aSelectionCount = text->SelectionCount();
   1.284 +  return NS_OK;
   1.285 +}
   1.286 +
   1.287 +NS_IMETHODIMP
   1.288 +xpcAccessibleHyperText::GetSelectionBounds(int32_t aSelectionNum,
   1.289 +                                           int32_t* aStartOffset,
   1.290 +                                           int32_t* aEndOffset)
   1.291 +{
   1.292 +  NS_ENSURE_ARG_POINTER(aStartOffset);
   1.293 +  NS_ENSURE_ARG_POINTER(aEndOffset);
   1.294 +  *aStartOffset = *aEndOffset = 0;
   1.295 +
   1.296 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.297 +  if (text->IsDefunct())
   1.298 +    return NS_ERROR_FAILURE;
   1.299 +
   1.300 +  if (aSelectionNum < 0 || aSelectionNum >= text->SelectionCount())
   1.301 +    return NS_ERROR_INVALID_ARG;
   1.302 +
   1.303 +  text->SelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
   1.304 +  return NS_OK;
   1.305 +}
   1.306 +
   1.307 +NS_IMETHODIMP
   1.308 +xpcAccessibleHyperText::SetSelectionBounds(int32_t aSelectionNum,
   1.309 +                                           int32_t aStartOffset,
   1.310 +                                           int32_t aEndOffset)
   1.311 +{
   1.312 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.313 +  if (text->IsDefunct())
   1.314 +    return NS_ERROR_FAILURE;
   1.315 +
   1.316 +  if (aSelectionNum < 0 ||
   1.317 +      !text->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset))
   1.318 +    return NS_ERROR_INVALID_ARG;
   1.319 +
   1.320 +  return NS_OK;
   1.321 +}
   1.322 +
   1.323 +NS_IMETHODIMP
   1.324 +xpcAccessibleHyperText::AddSelection(int32_t aStartOffset, int32_t aEndOffset)
   1.325 +{
   1.326 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.327 +  if (text->IsDefunct())
   1.328 +    return NS_ERROR_FAILURE;
   1.329 +
   1.330 +  text->AddToSelection(aStartOffset, aEndOffset);
   1.331 +  return NS_OK;
   1.332 +}
   1.333 +
   1.334 +NS_IMETHODIMP
   1.335 +xpcAccessibleHyperText::RemoveSelection(int32_t aSelectionNum)
   1.336 +{
   1.337 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.338 +  if (text->IsDefunct())
   1.339 +    return NS_ERROR_FAILURE;
   1.340 +
   1.341 +  text->RemoveFromSelection(aSelectionNum);
   1.342 +  return NS_OK;
   1.343 +}
   1.344 +
   1.345 +NS_IMETHODIMP
   1.346 +xpcAccessibleHyperText::ScriptableScrollSubstringTo(int32_t aStartOffset,
   1.347 +                                                    int32_t aEndOffset,
   1.348 +                                                    uint32_t aScrollType)
   1.349 +{
   1.350 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.351 +  if (text->IsDefunct())
   1.352 +    return NS_ERROR_FAILURE;
   1.353 +
   1.354 +  text->ScrollSubstringTo(aStartOffset, aEndOffset, aScrollType);
   1.355 +  return NS_OK;
   1.356 +}
   1.357 +
   1.358 +NS_IMETHODIMP
   1.359 +xpcAccessibleHyperText::ScriptableScrollSubstringToPoint(int32_t aStartOffset,
   1.360 +                                                         int32_t aEndOffset,
   1.361 +                                                         uint32_t aCoordinateType,
   1.362 +                                                         int32_t aX, int32_t aY)
   1.363 +{
   1.364 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.365 +  if (text->IsDefunct())
   1.366 +    return NS_ERROR_FAILURE;
   1.367 +
   1.368 +  text->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoordinateType, aX, aY);
   1.369 +  return NS_OK;
   1.370 +}
   1.371 +
   1.372 +NS_IMETHODIMP
   1.373 +xpcAccessibleHyperText::GetEnclosingRange(nsIAccessibleTextRange** aRange)
   1.374 +{
   1.375 +  NS_ENSURE_ARG_POINTER(aRange);
   1.376 +  *aRange = nullptr;
   1.377 +
   1.378 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.379 +  if (text->IsDefunct())
   1.380 +    return NS_ERROR_FAILURE;
   1.381 +
   1.382 +  nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
   1.383 +  text->EnclosingRange(range->mRange);
   1.384 +  NS_ASSERTION(range->mRange.IsValid(),
   1.385 +               "Should always have an enclosing range!");
   1.386 +
   1.387 +  range.forget(aRange);
   1.388 +
   1.389 +  return NS_OK;
   1.390 +}
   1.391 +
   1.392 +NS_IMETHODIMP
   1.393 +xpcAccessibleHyperText::GetSelectionRanges(nsIArray** aRanges)
   1.394 +{
   1.395 +  NS_ENSURE_ARG_POINTER(aRanges);
   1.396 +  *aRanges = nullptr;
   1.397 +
   1.398 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.399 +  if (text->IsDefunct())
   1.400 +    return NS_ERROR_FAILURE;
   1.401 +
   1.402 +  nsresult rv = NS_OK;
   1.403 +  nsCOMPtr<nsIMutableArray> xpcRanges =
   1.404 +    do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
   1.405 +  NS_ENSURE_SUCCESS(rv, rv);
   1.406 +
   1.407 +  nsAutoTArray<TextRange, 1> ranges;
   1.408 +  text->SelectionRanges(&ranges);
   1.409 +  uint32_t len = ranges.Length();
   1.410 +  for (uint32_t idx = 0; idx < len; idx++)
   1.411 +    xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
   1.412 +                             false);
   1.413 +
   1.414 +  xpcRanges.forget(aRanges);
   1.415 +  return NS_OK;
   1.416 +}
   1.417 +
   1.418 +NS_IMETHODIMP
   1.419 +xpcAccessibleHyperText::GetVisibleRanges(nsIArray** aRanges)
   1.420 +{
   1.421 +  NS_ENSURE_ARG_POINTER(aRanges);
   1.422 +  *aRanges = nullptr;
   1.423 +
   1.424 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.425 +  if (text->IsDefunct())
   1.426 +    return NS_ERROR_FAILURE;
   1.427 +
   1.428 +  nsresult rv = NS_OK;
   1.429 +  nsCOMPtr<nsIMutableArray> xpcRanges =
   1.430 +    do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
   1.431 +  NS_ENSURE_SUCCESS(rv, rv);
   1.432 +
   1.433 +  nsTArray<TextRange> ranges;
   1.434 +  text->VisibleRanges(&ranges);
   1.435 +  uint32_t len = ranges.Length();
   1.436 +  for (uint32_t idx = 0; idx < len; idx++)
   1.437 +    xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
   1.438 +                             false);
   1.439 +
   1.440 +  xpcRanges.forget(aRanges);
   1.441 +  return NS_OK;
   1.442 +}
   1.443 +
   1.444 +NS_IMETHODIMP
   1.445 +xpcAccessibleHyperText::GetRangeByChild(nsIAccessible* aChild,
   1.446 +                                        nsIAccessibleTextRange** aRange)
   1.447 +{
   1.448 +  NS_ENSURE_ARG_POINTER(aRange);
   1.449 +  *aRange = nullptr;
   1.450 +
   1.451 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.452 +  if (text->IsDefunct())
   1.453 +    return NS_ERROR_FAILURE;
   1.454 +
   1.455 +  nsRefPtr<Accessible> child = do_QueryObject(aChild);
   1.456 +  if (child) {
   1.457 +    nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
   1.458 +    text->RangeByChild(child, range->mRange);
   1.459 +    if (range->mRange.IsValid())
   1.460 +      range.forget(aRange);
   1.461 +  }
   1.462 +
   1.463 +  return NS_OK;
   1.464 +}
   1.465 +
   1.466 +NS_IMETHODIMP
   1.467 +xpcAccessibleHyperText::GetRangeAtPoint(int32_t aX, int32_t aY,
   1.468 +                                        nsIAccessibleTextRange** aRange)
   1.469 +{
   1.470 +  NS_ENSURE_ARG_POINTER(aRange);
   1.471 +  *aRange = nullptr;
   1.472 +
   1.473 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.474 +  if (text->IsDefunct())
   1.475 +    return NS_ERROR_FAILURE;
   1.476 +
   1.477 +  nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
   1.478 +  text->RangeAtPoint(aX, aY, range->mRange);
   1.479 +  if (range->mRange.IsValid())
   1.480 +    range.forget(aRange);
   1.481 +
   1.482 +  return NS_OK;
   1.483 +}
   1.484 +
   1.485 +////////////////////////////////////////////////////////////////////////////////
   1.486 +// nsIAccessibleEditableText
   1.487 +
   1.488 +NS_IMETHODIMP
   1.489 +xpcAccessibleHyperText::SetTextContents(const nsAString& aText)
   1.490 +{
   1.491 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.492 +  if (text->IsDefunct())
   1.493 +    return NS_ERROR_FAILURE;
   1.494 +
   1.495 +  text->ReplaceText(aText);
   1.496 +  return NS_OK;
   1.497 +}
   1.498 +
   1.499 +NS_IMETHODIMP
   1.500 +xpcAccessibleHyperText::ScriptableInsertText(const nsAString& aText,
   1.501 +                                             int32_t aOffset)
   1.502 +{
   1.503 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.504 +  if (text->IsDefunct())
   1.505 +    return NS_ERROR_FAILURE;
   1.506 +
   1.507 +  text->InsertText(aText, aOffset);
   1.508 +  return NS_OK;
   1.509 +}
   1.510 +
   1.511 +NS_IMETHODIMP
   1.512 +xpcAccessibleHyperText::ScriptableCopyText(int32_t aStartOffset,
   1.513 +                                           int32_t aEndOffset)
   1.514 +{
   1.515 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.516 +  if (text->IsDefunct())
   1.517 +    return NS_ERROR_FAILURE;
   1.518 +
   1.519 +  text->CopyText(aStartOffset, aEndOffset);
   1.520 +  return NS_OK;
   1.521 +}
   1.522 +
   1.523 +NS_IMETHODIMP
   1.524 +xpcAccessibleHyperText::ScriptableCutText(int32_t aStartOffset,
   1.525 +                                          int32_t aEndOffset)
   1.526 +{
   1.527 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.528 +  if (text->IsDefunct())
   1.529 +    return NS_ERROR_FAILURE;
   1.530 +
   1.531 +  text->CutText(aStartOffset, aEndOffset);
   1.532 +  return NS_OK;
   1.533 +}
   1.534 +
   1.535 +NS_IMETHODIMP
   1.536 +xpcAccessibleHyperText::ScriptableDeleteText(int32_t aStartOffset,
   1.537 +                                             int32_t aEndOffset)
   1.538 +{
   1.539 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.540 +  if (text->IsDefunct())
   1.541 +    return NS_ERROR_FAILURE;
   1.542 +
   1.543 +  text->DeleteText(aStartOffset, aEndOffset);
   1.544 +  return NS_OK;
   1.545 +}
   1.546 +
   1.547 +NS_IMETHODIMP
   1.548 +xpcAccessibleHyperText::ScriptablePasteText(int32_t aOffset)
   1.549 +{
   1.550 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.551 +  if (text->IsDefunct())
   1.552 +    return NS_ERROR_FAILURE;
   1.553 +
   1.554 +  text->PasteText(aOffset);
   1.555 +  return NS_OK;
   1.556 +}
   1.557 +
   1.558 +////////////////////////////////////////////////////////////////////////////////
   1.559 +// nsIAccessibleHyperText
   1.560 +
   1.561 +NS_IMETHODIMP
   1.562 +xpcAccessibleHyperText::GetLinkCount(int32_t* aLinkCount)
   1.563 +{
   1.564 +  NS_ENSURE_ARG_POINTER(aLinkCount);
   1.565 +  *aLinkCount = 0;
   1.566 +
   1.567 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.568 +  if (text->IsDefunct())
   1.569 +    return NS_ERROR_FAILURE;
   1.570 +
   1.571 +  *aLinkCount = text->LinkCount();
   1.572 +  return NS_OK;
   1.573 +}
   1.574 +
   1.575 +NS_IMETHODIMP
   1.576 +xpcAccessibleHyperText::GetLinkAt(int32_t aIndex, nsIAccessibleHyperLink** aLink)
   1.577 +{
   1.578 +  NS_ENSURE_ARG_POINTER(aLink);
   1.579 +  *aLink = nullptr;
   1.580 +
   1.581 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.582 +  if (text->IsDefunct())
   1.583 +    return NS_ERROR_FAILURE;
   1.584 +
   1.585 +  nsCOMPtr<nsIAccessibleHyperLink> link = text->LinkAt(aIndex);
   1.586 +  link.forget(aLink);
   1.587 +
   1.588 +  return NS_OK;
   1.589 +}
   1.590 +
   1.591 +NS_IMETHODIMP
   1.592 +xpcAccessibleHyperText::GetLinkIndex(nsIAccessibleHyperLink* aLink,
   1.593 +                                     int32_t* aIndex)
   1.594 +{
   1.595 +  NS_ENSURE_ARG_POINTER(aLink);
   1.596 +  NS_ENSURE_ARG_POINTER(aIndex);
   1.597 +  *aIndex = -1;
   1.598 +
   1.599 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.600 +  if (text->IsDefunct())
   1.601 +    return NS_ERROR_FAILURE;
   1.602 +
   1.603 +  nsRefPtr<Accessible> link(do_QueryObject(aLink));
   1.604 +  *aIndex = text->LinkIndexOf(link);
   1.605 +  return NS_OK;
   1.606 +}
   1.607 +
   1.608 +NS_IMETHODIMP
   1.609 +xpcAccessibleHyperText::GetLinkIndexAtOffset(int32_t aOffset,
   1.610 +                                             int32_t* aLinkIndex)
   1.611 +{
   1.612 +  NS_ENSURE_ARG_POINTER(aLinkIndex);
   1.613 +  *aLinkIndex = -1; // API says this magic value means 'not found'
   1.614 +
   1.615 +  HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
   1.616 +  if (text->IsDefunct())
   1.617 +    return NS_ERROR_FAILURE;
   1.618 +
   1.619 +  *aLinkIndex = text->LinkIndexAtOffset(aOffset);
   1.620 +  return NS_OK;
   1.621 +}

mercurial